參數(shù)資料
型號: HD74HC93
廠商: Hitachi,Ltd.
元件分類: 通用總線功能
英文描述: 4-bit Binary Counter
中文描述: 4位二進制計數(shù)器
文件頁數(shù): 2/11頁
文件大?。?/td> 55K
代理商: HD74HC93
HD74HC93
2
Function Table
Reset/Count Function Table
Reset Inputs
Outputs
R
0(1)
H
R
0(2)
H
Q
D
L
Q
C
L
Q
B
L
Q
A
L
L
×
Count
×
L
Count
BCD Count Sequence
Outputs
Count
Q
D
L
Q
C
L
Q
B
L
Q
A
L
0
1
L
L
L
H
2
L
L
H
L
3
L
L
H
H
4
L
H
L
L
5
L
H
L
H
6
L
H
H
L
7
L
H
H
H
8
H
L
L
L
9
H
L
L
H
10
H
L
H
L
11
H
L
H
H
12
H
H
L
L
13
H
H
L
H
14
H
H
H
L
15
Notes: Output Q
A
is connected to input B for BCD count.
H
H
H
H
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